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Okay the HVAC tech/co owner just left ... Said that I have a leak in my condenser somewhere he could not find it because it was too cold could only get 59 psi into the system he said that he thinks it is in a coil in the condenser but that the compressor is shot. He also went into the attic and said that my drain was plugged up and that it was the most mold and mildew he has seen on the attic coils. He recommended a complete new system plus plune (??? ducts) for 4.7- 9 Grover Clevelands (Trane/American Standard respectively) and only if I purchased/installed this month (Dec 2011) He said if I wanted to cheap out he could replace just the condenser unit but that he would not clean coils over 7 years old. I think he said that he could attempt to spray sanitize the plune (??? ducts)? I think he mentioned that the plune (??? ducts) were porous so it does not work out well. Kinda bummed here.

Any recommendations on getting this system up and running with out mold and and mildew. Would replacing the outside condenser unit and attempting to clean the A coils suffice? -- There has to be a way to sufficiently clean mold and mildew off the A coils. I can't believe you can't (Note he did not say he could not but that he would not due to coils over 7 years)

The used unit from what I have been told is currently in use in a home and working he said that the HVAC tech will attempt to retain as much of the R22 in the unit before crimping it. Hopefully by crimping it will hold the charge in. Maybe the system failure was due tot he mold and mildew on the A Coils?

Kinda bummed needing to put on my thinking cap here Austin springs/summers are too hot to go without an AC